package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.config.annotation.web.messaging.MessageSecurityMetadataSourceRegistry;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @author qzh
 * @create 2020-01-16 2020/1/16
 */

@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;

    @Autowired
    private OrderDao orderDao;


    @Override
    public Result order(Map map) throws Exception{
        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");

        OrderSetting orderSetting = orderSettingDao.findByOrderDate(DateUtils.parseString2Date(orderDate));
        if(orderSetting==null){
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约

        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if(reservations>=number){
            //预约人数已满
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        //3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约

        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if(member!=null){
            Integer id = member.getId();
            Date order_Date = DateUtils.parseString2Date(orderDate);
            String setmealId = (String) map.get("setmealId");
            Order order = new Order(id, order_Date, Integer.parseInt(setmealId));
            List<Order> list = orderDao.findByCondition(order);
            if(list!=null&&list.size()>0){
                //重复预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }else {
            //4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            member = new Member();
            member.setName((String)map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String)map.get("idCard"));
            member.setSex((String)map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);//自动注册

        }
        //5、预约成功，更新当日的已预约人数
        Order order = new Order();
        order.setMemberId(member.getId());
        order.setOrderDate(DateUtils.parseString2Date(orderDate));

        order.setOrderType((String)map.get("orderType"));
        order.setOrderStatus(Order.ORDERSTATUS_NO);

        order.setSetmealId(Integer.parseInt((String)map.get("setmealId")));
        orderDao.add(order);

        orderSetting.setReservations(orderSetting.getReservations()+1);
        orderSettingDao.editNumberByOrderDate(orderSetting);
        return new Result(true, MessageConstant.ORDERSETTING_SUCCESS,order);
    }

    //根据预约id查询预约相关信息（体检人姓名，预约日期，套餐名称，预约类型）
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        System.out.println(map);
        if(map!=null){
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }


    @Override
    public void deleteById(Integer id) {
        orderDao.deleteById(id);
    }
}
